3G biometric attendance devices.
Why the battery powered 3G biometric attendance devices. Only All-IN-One solution for battery powered 3G/4G wireless biometric attendance devices with built in battery and battery panel. Easy to install biometric attendance devices with just two screws , can work in wild field anywhere with the sunshine. Water proof & weather proof wireless biometric attendance devices, can work without charging for 32 hrs and in cloudy & rainy day 20 hrs every day. Work full day & night when the sunshine temp is above 33C. 3G/4G biometric attendance system application water proof can use anywhere has 3G/4G network, with AP mode for easy wifi setting up. Megapixel , starlight sensor biometric attendance devices to work great in the night , Lens Sensor: 0.0001LUX(Starlight Level). Night vision distance 100m. Detailed biometric attendance devices specifications. i. ...